20,000 lbs capacity
|Rotor Mass and Unbalance Limitation|
|Maximum Weight||20,000 lbs (9071 Kg)|
|Minimum Weight||100 lb.(45.4Kg) |
|Maximum Weight per Support ||10,000 lbs. (4545 Kg)|
|Maximum Overload per support ||12,500 lbs. (5682 Kg)|
|Maximum indicated sensitivity per plane|
(Instrument readout capability)
|.005 ounce-inch |
|Maximum Achievable||.01 ounce-inch total|
under ideal rotor conditions
but not to exceed .000005 inches
mass center displacement
|Maximum Unbalance reduction per run||95%|
|Shipping Weight ||4000 lbs. (1818 Kg) dom.|
4400 lbs. (2000 Kg) exp.
|Rotor Dimensions |
|Maximum diameter over bed||100 inches (2540 mm)|
|Rotor belt drive diameter range||1-90 inches (25.4 to 2300 mm) 2 belts incl.|
|Maximum distance between|
support bearings centerlines
|Minimum Distance between|
support bearing centerlines
|With belt drive:|
Outboard: 6.5 inches (165 mm)
Inboard: 12.5 inches (318 mm)
1” (25.4 mm) with optional fixture
|Journal diameters on standard |
|½ to 17 in. (12.7 to 431 mm)|
|Motor & Control|
|Variable Frequency||AC Drive with programmable |
DC Injection breaking 0.1 to 240 Hz. Output
|Rated horsepower ||20hp. at 1800 RPM (15 Kw)|
|Speed Range||10 to 4000 RPM |
|Power Required||200 to 230 Volt, 3 phase 60 Hz|
or 380 to 460 Volt, 3 phase 50/60 Hz. Option
Recommended Balancing Speed
120 inch (3048 mm) long x 49.5 inch (1257 mm) wide. Total width of machine with drive is 105 inches (2667 mm).
No special foundation required. Bolt to any concrete floor with the capacity to safely support a maximum loaded machine with the motion during operation.
Upright Work Supports
Each Support supplied with 021-DP Direct Prod High Output Electrodynamic Transducer.
Calibration traceable to N.I.S.T.
High capacity anti-friction roller carriages with self aligning, gimble action feature to provide precise line contact between flat rollers and rotor journals.
Optional offset carriers with babbit lined “V” block bearings are available for short shafts and light loads
Each upright support moves on roller carriers. Pedestals are locked to the base using lever assemblies that are hand operated.
An advanced performance computer system preinstalled with Windows XP Pro, and including a 17" monitor, keyboard, mouse and printer. Also including, our latest Windows based balancing program featuring user-friendly report ,menu driven operations and a full page printout, driven by our new 24 bit digital signal processor using USB technology.
Setup and Calibration
The use of trial weights establish the true effect of a known unbalance at a specific correction plane on the work piece. Thus the machine is calibrated each time you use it. This operation requires two runs but the influence coefficients derived from this procedure aid in minimizing cross-effect and can be saved so that future rotors with the same geometry and mass can be balanced in just one run.